Home / 111,202.30-166,803.45-28,096.30

Finding the Fourth Proportional to 111,202.30, 166,803.45 and 28,096.30

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Solution

The fourth proportional to 111,202.30, 166,803.45 and 28,096.30 is: 42,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,202.30 : 166,803.45 = 28,096.30 : x
  2. Step 2: Convert to fraction form
    111,202.30/166,803.45 = 28,096.30/x
  3. Step 3: Cross multiply
    111,202.30x = 166,803.45 × 28,096.30
  4. Step 4: Simplify right side
    111,202.30x = 4,686,559,772.24
  5. Step 5: Solve for x
    x = 4,686,559,772.24/111,202.30
  6. Step 6: Final answer
    x = 42,144.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.